Automatic window-sash-fastening device.



' No. 866,565l PATENTED SEPT. 17, 1907.

C. H. BBLLAMY.

AUTOMATIC WINDOW SASH FASTENING DEVICE.

APPLIOATION PILBD JAN. 2, 1907.

jcyZ? .l/ j??? CHARLES H. BELLAMY, OF PHILADELPHIA, PENNSYLVANIA.

AUTOMATIC WINDOW-SASI-I-FASTENING DEVICE.

Specification of Letters Patent.

Patented Sept. 17, 1907..

Application filed January 2, 1907. Serial No. 350,413.

To all whom 'it may concern:

Be it known that I, CHARLES H. BELLAMY, a British subject, and aresident of Philadelphia, in the county of Philadelphiaand State ofPennsylvania, have invented certain new and useful Improvements inAutomatic Window-Sash-Fastening Devices, of which the following is afull, clear, and exact description.

Tliisimprovement relates to sash fastening or locking devices which areattached to and rest upon the meeting rail of the lower sash.

The object of the invention is to provide a sash lock orfastener, simplein construction, automatic in operation, and which can be easily appliedby unskilled persons, without detriment to the window, windowsash orcasing, this fastener being designed to lock the sashes in any desiredposition through frictional vengagement, admitting at all times of theclosing of the upper or the lower sash, or both, but effectuallypreventing the enlargement of the opening of either or both, unless thefastener be released. These and other objects, as well as the underlyingstructural features, will become more apparent from the followingspecification and the appended drawings, and also by reference to theappended claims.

In the drawings: Figure lis a perspective view of the improved sashfastener applied to the upper face of the meeting rail of the lower sashof a window; Fig. 2 is a longitudinal section on the line 2 2, Fig. l,the locking wedge being shown as raised out of operative relation to theface of the upper sash; Fig. 3 is a perspective view ofthe wedge block gFig. 4 is a perspective view of the casing and the integrally-attachedsupporting plate; and Fig. 5 is a detail of the operating pin and itsretaining devices.

Referring now to these drawings, C indicates a casing constructed andarranged to be secured to the meeting l rail of the lower sash, for thispurpose being formed integral with the basal plate or flange B, which isdesigned to be fastened fiat upon the underlying sash by means of thescrews S. Said casing C consists of a steel plate A extending upwardfrom the basal flange B over and away from the face of the upper sashand provided with two cheeks or iianges C1 and C2 formed on the marginsof its rear face. The steel plate A, which constitutes the rear wall ofthe casing, lis longitudinally slotted, as at E, the upper end F of thisslot being enlarged as shown.

W is the automatic locking member, in the nature of a wedge blockslidably mounted on the rear wall of the casing and between the iiangesCl and C2. The face of this block which coperates with the inner face ofthe upper sash may be provided with a frictional facing G, or such facemay be otherwise adapted to afford a firm grip upon the sash. Extendingfrom front to back of the block W is an aperture K, which maycommunicate at its front end with a depression L in the face of theblock. Within this aperture is rotatively fitted the operating pin P,this pin extending rearward from the block through the slot E and beingsuitably provided with a handle portion R. The portion of this pin whichis received within the slotis of greater width than thickness, so that,when the pin stands as shown in Fig. l it may be received within thebody of the slot, whereas, when it is turned as illustrated in Fig. 2,it may only be received within the enlarged portion of the slot. Cotterpins X may serve to retain the pin in the block, one of these pinspassing transversely. through the extremity of the pin P and beinghoused within the depression L, while the other may pass through theoperating pin outside of the rear wall of the casing.

The operation of the sash fastener is entirely automatic. When it isscrewed in place upon the meeting rail of the lower sash, the operatingpin P is so turned that its narrowest dimension is normal to the lengthof the slot E, within the body of which the pin freely slides in thisposition. Thus the wedge member is free to slide between the two fiangesor cheeks C1 and Cl of the casing C, until the forward surface of saidwedge comes into frictional engagement with the upper sash. It will bereadily seen that any attempt now to lower the upper, or to raise thelower, sash increases the resistance and eifectually locks both sashes.When, however, the wedge member is raised by the operating andconnecting pin P and the latter is turned, so that it lies transverselyof the slot E within the enlarged portion F thereof, the wedge member isheld out of frictional engagement with the upper sash and the sashes maybe l raised orlowered at will.

What is claimed as new is:

l, In an automatic sash fastener, the combination of a casingconstructed and arrangedto be secured to the meeting rail of a lowersash and to incline therefrom over and away from the face of the othersash, and a wedge block mounted slidably in said casing for engagementwith the face of said other sash.

2. In an automatic sash fastener, the combination of a retaining plateconstructed and arranged to be secured to the meeting rail ot' a lowersash and to incline therefrom over and away from the race of the othersash, and a slidable locking lnember mounted on said plate and arrangedto engage with the face of said other sash.

3. In an automatic sash fastener, the combination of a retaining plateconstructed and arranged to he secured to the meeting rail oi a lower-sash and to incline there* from over and away from the face of theother sash and having longitudinal marginal retaining iianges formed onits inner face, and a slidable locking wedge block mounted on said plateand between said flanges.

4. In an automatic sash fastener, the combination of a casingconstructed and arranged to be secured to the meeting rail of a lowersash and having a rear wall disposed to incline therefrom over and awayfrom the face of the other sash, an automatic locking member longitudi-`nally movable on said wall for cooperation with the face of said othersash, and means for preventing separation of the easing and lockingmember.

5. In an automatic sash fastener, the combination of a casingconstructed and arranged to be secured to the meeting rail of a lowersash and having a rear wall disposed to incline therefrom over and awayfrom the face of the other sash, an automatic locking memberlongitudinally movable on said wall for coperation with the face of saidother sash, and means for operating said locking member. Y

G. In an automatic sash fastener, the combination of a casing,rconstructed and arranged to be secured to the meeting rail of a lowersash and having its rear wall disposed to incline therefrom over andaway from the face of the other sash, an automatic locking memberlongitudinally movable on said wall for coperation with the face of saidother sash, and means for maintaining said locking member out ofengaging relation with reference to said sash-face.

7. In an automatic sash fastener, the combination of a casingconstructed and arranged to be secured to the meeting rail of a lowersash and having its rear wall disposed to incline therefrom over andaway from the face of the other sash, an automatic locking member`longitudinally movable on said wall for cooperation with the face ofsaid other sash, and single means for elfecting longitu dinal movementof said locking member out of engaging relation with reference to thesash-face and for maintaining it out of such relation.

S. In an automatic sash fastener, the combination of a l easingconstructed and arranged to be secured to the meeting rail of a lowersash and having a rear wall disA posed to incline therefrom over andaway from the face of the other sash and provided with a longitudinalslot enlarged at one portion thereof, an automatic slidable wedge blockmounted on said wall, and an operating pin mounted rotatively in saidblock and extending therefrom through said slot, said pin having itsslot-occupying portion of a thickness adapted to be comprehended withinthe body of the slot and a width similarly related to the enlai-gedportion of the slot but greater than the width of the body thereof.

9. In an automatic sash fastener, the combination of an apertured plateconstructed to be secured flat upon the upper face of the meeting railof a lower sash, a easing formed integral therewith and having a rearwall disposed to incline therefrom over and away from the face of theother sash, and an automatic locking member longitudinally movable onsaid wall for coperation with the face of said other sash.

Signed by me at Philadelphia, Pa., in presence of two subscribingwitnesses.

CHARLES H BELLAMY.

Witnesses z HARLEY BELLAMY, HARRY Fos'rrm.

